Pack of 10 5.5mm x 2.1mm 12V Male/Female DC Power Connectors for CCTV Cameras, Security Systems, and LED Lighting

Intelligent automatic pressure and decompression; Can simultaneously monitor systolic arterial pressure, diastolic arterial pressure and pulse; With automatic memory function, high capacity storage memory; With the automatic alarm device. energy;Large LCD digital display, simple operation, just press the key to test;